Question

plz solve 2√2-√2 in steps but not in decimal form actually the ans is √2 can anyone tell me how this √2 came

Answer 1

$\sqrt{2} (2 - 1) = \sqrt{2}$

Answer 2

root 2(2)-root 2
=root 2(2-1)
=root 2(1)
=root 2